More example tweaks

Smithsonian · Jan 12, 2025 · c72f0fd · c72f0fd
1 parent 11f3c0e
commit c72f0fd
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Showing 5 changed files with 11 additions and 3 deletions.
diff --git a/examples/example-calceph.c b/examples/example-calceph.c
@@ -19,6 +19,8 @@
  *  ```
  */
 
+#define _POSIX_C_SOURCE 199309L   ///< for clock_gettime()
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
@@ -38,7 +40,6 @@
 
 int main() {
   // SuperNOVAS aariables used for the calculations ------------------------->
-  cat_entry star = CAT_ENTRY_INIT;  // catalog information about a sidereal source
   object source;                    // observed source
   observer obs;                     // observer location
   novas_timespec obs_time;          // astrometric time of observation

diff --git a/examples/example-cspice.c b/examples/example-cspice.c
@@ -9,7 +9,7 @@
  *  files.
  *
  *  You will need access to the NAIF CSPICE library (unversioned `libcspice.so` or else
- *  `libcspice.a`) and C headers (`cspice/*.h`), and the SuperNOVAS `libsolsys-cspice.so`
+ *  `libcspice.a`) and C headers (under `cspice/`), and the SuperNOVAS `libsolsys-cspice.so`
  *  (or `libsolsys-cspice.a`) module.
  *
  *  To compile CSPICE as a shared (.so) library, you may want to check out the GitHub
@@ -24,6 +24,8 @@
  *  ```
  */
 
+#define _POSIX_C_SOURCE 199309L   ///< for clock_gettime()
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
@@ -43,7 +45,6 @@
 
 int main() {
   // SuperNOVAS aariables used for the calculations ------------------------->
-  cat_entry star = CAT_ENTRY_INIT;  // catalog information about a sidereal source
   object source;                    // observed source
   observer obs;                     // observer location
   novas_timespec obs_time;          // astrometric time of observation

diff --git a/examples/example-high-z.c b/examples/example-high-z.c
@@ -18,6 +18,8 @@
  *
  */
 
+#define _POSIX_C_SOURCE 199309L   ///< for clock_gettime()
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>

diff --git a/examples/example-orbital.c b/examples/example-orbital.c
@@ -22,6 +22,8 @@
  *  ```
  */
 
+#define _POSIX_C_SOURCE 199309L   ///< for clock_gettime()
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>

diff --git a/examples/example-star.c b/examples/example-star.c
@@ -14,6 +14,8 @@
  *  ```
  */
 
+#define _POSIX_C_SOURCE 199309L   ///< for clock_gettime()
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>